I've been having issues while gaming because my Nintendo Switch has a strict NAT type (D). This is causing problems with game performance, and I know I need to upgrade to NAT type A or B for a smoother experience. I've tried various methods to fix it, like enabling UPnP, setting up DMZ, and even port forwarding. I've also tried changing the IP address manually, but nothing seems to work. I really don't want to call my service provider for help, so I'm looking for any other solutions out there. Just a heads up, I'm not great with technology, so easy-to-understand explanations would be super helpful!
2 Answers
It sounds like you've tried a lot of good options! Just to clarify, port forwarding, UPnP, and DMZ are methods to avoid NAT issues by letting your router know to prioritize traffic to your Switch. However, your Internet Service Provider (ISP) might have a thing called CG-NAT, which complicates things further. You can check if this is the case by comparing the public IP your router shows with what you see on a site like whatsmyip.com. If they’re different, you’re on CG-NAT, and only your ISP can change that, usually for a fee.
If you're stuck with port forwarding, it can be tricky. Make sure your Switch's IP address is static, so it doesn’t change every time you restart. Also, double-check that ports are opened specifically for your Switch's IP. Sometimes routers may have different interfaces, so follow the manual carefully. If none of this works, consider reaching out to your ISP. They should be able to help without too much hassle.
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